Frisk, Peter D. <br/><br/>
Functions and graphs 
Peter D. Frisk 
 - 2nd ed 
 - USA  Books/Cole Publishing Company  c1991. 
 - 559 p. : 
<br/><br/><label>ISBN: </label>0534142869 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--General
<br/><br/><label>Dewey Class. No.: </label>510 FRI